How is the splitting of file invoked in Hadoop framework?
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Name the most common input formats defined in hadoop?
Explain how do you overwrite replication factor?
Explain what is speculative execution?
How to use combiner in hadoop ?
What do you understand by standalone (or local) mode?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
Can you explain indexing?
What is the use of recordreader in hadoop?
What is Federation?
What is Erasure Coding in Hadoop?
What does the mapred.job.tracker command do?
What are the side effects of not running a secondary name node?
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